BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
97 
953. R[ATHVON], S. S. “Wasps and their habits.” <Araer. Ent., 
June, 1809, v. 1, p. 200. 
Habits of a yellow hornet, allied to Vespa vulgaris, which nests on branches 
of trees. 
954. R[athvon], S. S. Cicada notes. <Ainer. Ent., November, 1869, 
v. 2, p. 51. 
Habits and appearance of Cicada [= Tibicen ] septendecim. 
955. Rathvon, S. S. The Dropworm again. <Amer. Ent., December, 
1869-January, 1870, v. 2, p. 81. 
Habits, ravages, and means against Tliyridopteryx ephemeraformis. 
956. R[athvon], S. S. Rocky Mountain grasshopper can not live in 
Pennsylvania. <Amer. Ent., December, 1869-January, 1870, 
v. 2, p. 88. 
Larvae of Caloptenus spretus hatched from eggs received from Kansas died in 
Pennsylvania. 
957. Rathvon, S. S. A new bean-weevil. <Amer. Ent., February, 
1870, v. 2, pp. 118-119. 
History of Bruchus obsoletus [=obtectus ] ; its ravages; means against. 
958. Rathvon, S. S. Luminous (?) leaf-hopper. <Amer. Ent. and 
Bot., December, 1870, v. 2, p. 371. 
Habits of Diedrocephala coccinea 
959. [Rathvon, S. S.]. Periodical Cicada not in Kreutz Creek Valley. 
<Amer. Ent. and Bot., December, 1870, v. 2, p. 372. 
Tibicen septendecim abundant on the north side of the hills in northeastern 
York Connty, but has not been observed on the south side of the hills nor 
in the valley of the Kreutz Creek. 
960. Rathvon, S. S. Insects injurious to the apple. <Proc. Penn. 
Fruit Growers’ Soc., 18 January, 1871, pp. 70-94, 3 pi. 
Short accounts, with figures of many of the insects injurious to apple trees 
in Pennsylvania. 
961. Rathvon, S. S. About those white grubs. <Gardeners’ Monthly, 
January, 1872, v. 14, n. s., v. 5, pp. 9-10. 
Nomenclature of Lachnosterna spp.; means against Doryphora 10-lineata. 
962. Rathvon, S. S. Elm-leaf beetle (Galeruca xanthomelcena). <Field 
and Forest, December, 1876, v. 2, pp. 96-98. 
Descriptions of the early stages and imago of Galerucella luteola] method of 
pupation; its abundance at Lancaster, Pa. 
963. Rathvon, S. S. Doryphora decemlineata. <Field and Forest, 
January, 1877, v. 2, pp. 114-116. 
Notes its abundance and the probability of its being carried to Europe.. 
964. Rathvon, S. S. The “wheel-bug” (Reduvius novenarius). <Field 
and Forest, February, 1878, v. 3, pp. 108-109. 
Food habits of Reduvius novenarius [:—Prionidus cristatus']. 
965. Rathvon, S. S. The tobacco horn worm. <Amer. Farmer, August, 
1878, v. 7, p. 278. 
